40448466 has 24 divisors (see below), whose sum is σ = 89678160. Its totient is φ = 13169016.

The previous prime is 40448431. The next prime is 40448501. The reversal of 40448466 is 66484404.

It is an interprime number because it is at equal distance from previous prime (40448431) and next prime (40448501).

It is a self number, because there is not a number n which added to its sum of digits gives 40448466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25356 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (3736590).

Almost surely, 2^40448466 is an apocalyptic number.

40448466 is an abundant number, since it is smaller than the sum of its proper divisors (49229694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40448466 is a wasteful number, since it uses less digits than its factorization.

40448466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52310 (or 52307 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 40448466 is about 6359.9108484318. The cubic root of 40448466 is about 343.2685524137.

It can be divided in two parts, 404484 and 66, that added together give a triangular number (404550 = T₈₉₉).

The spelling of 40448466 in words is "forty million, four hundred forty-eight thousand, four hundred sixty-six".